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(2020 HU2)
Classification: Amor [NEO]          SPK-ID: 54016639
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3299285611163147 3.3751e-05  
a 1.519880103960266 7.7695e-05 au
q 1.01842824819134 7.6852e-07 au
i 4.970785801514265 0.00039927 deg
node 215.2004646742064 7.115e-06 deg
peri 18.46873187338504 0.00022218 deg
M 217.9885989605804 0.01675 deg
tp 2459666.480957339548
(2022-Mar-27.98095734)		 0.052546 TDB
period 684.4038149814349
1.87		 0.05248
0.0001437		 d
yr
n .5260052502918402 4.0334e-05 deg/d
Q 2.021331959729191 0.00010333 au
   Orbit Determination Parameters
   # obs. used (total)      78  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      17 days  
   first obs. used      2020-04-17  
   last obs. used      2020-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .3921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:12  

Additional Information
 Earth MOID = .0191737 au 
 Jupiter MOID = 2.97541 au 
 T_jup = 4.440 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.5   .43863 MPO546171 autocmod 2.8

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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